I read with interest William Hurley’s April 15 column on the economics of solar energy. While informative, his analysis uses one of the most expensive projects to “demonstrate” that no commercial-scale solar makes sense in the county. He fails to consider the future cost of electricity. Installations take years to complete, and the future Tier 2 BPA cost may well justify the expense. I, for one, would welcome new capacity from commercial-scale s…